The correct IUPAC name of the following alkane is:

1. 3,6-Diethyl-2-methyloctane

2. 5-Isopropyl-3-ethyloctane

3. 3-Ethyl-5-isopropyloctane

4. 3-Isopropyl-6-ethyloctane

The numbers of structural isomers of ${\mathrm{C}}_4{\mathrm{H}}_8$ (with one double bond) and ${\mathrm{C}}_5{\mathrm{H}}_8$ (with one triple bond) are:

1. ${\mathrm{C}}_4{\mathrm{H}}_8 = 3 ; {\mathrm{C}}_5{\mathrm{H}}_8 = 3$

2. ${\mathrm{C}}_4{\mathrm{H}}_8 = 4 ; {\mathrm{C}}_5{\mathrm{H}}_8 = 4$

3. ${\text{C}}_4{\mathrm{H}}_8 = 3 ; {\mathrm{C}}_5{\mathrm{H}}_8 = 4$

4.${\mathrm{C}}_4{\mathrm{H}}_8 = 4 ; {\mathrm{C}}_5{\mathrm{H}}_8 = 3$

The correct chain isomer of C₆H₁₄(n-hexane) among the following are:
a. 2-Methylpentane
b. 2,3-Dimethylbutane
c. 2-Ethylbutane

Which are the IUPAC names of the following compounds?

a. 5-(2',2'-Dimethylpropyl)decane

b. 4-Butyl-2,2-dimethylnonane

c. 2,2-Dimethyl -4- pentyloctane

d. 5-Neopentyldecane

Choose the correct option

Which are the correct IUPAC names of the following compound?

a. 5-Butyl-4-isoporpyldecane

b. 5-Ethyl-4-propyldecane

c. 5-sec-Butyl -4- iso-propyldecane

d. 4-(1-Methylethyl) - 5 - (1-methylpropyl)decane

Choose the correct option

a. 2-Ethylpentane

b. 5-Ethyl–3-methylheptane
c. 3-Ethyl-2-methyloctane
d. 3-Ethyl-2,4-dimethylheptane